Current File : //proc/985914/root/www/varak.net/wiki.varak.net/extensions/Translate/utils/TranslateSandbox.php
<?php
/**
* Utilities for the sandbox feature of Translate.
*
* @file
* @author Niklas Laxström
* @license GPL-2.0-or-later
*/
use MediaWiki\Auth\AuthManager;
use MediaWiki\Auth\AuthenticationRequest;
use MediaWiki\Auth\AuthenticationResponse;
/**
* Utility class for the sandbox feature of Translate. Do not try this yourself. This code makes a
* lot of assumptions about what happens to the user account.
*/
class TranslateSandbox {
public static $userToCreate = null;
/**
* Adds a new user without doing much validation.
*
* @param string $name User name.
* @param string $email Email address.
* @param string $password User provided password.
* @return User
* @throws MWException
*/
public static function addUser( $name, $email, $password ) {
$user = User::newFromName( $name, 'creatable' );
if ( !$user instanceof User ) {
throw new MWException( 'Invalid user name' );
}
$data = [
'username' => $user->getName(),
'password' => $password,
'retype' => $password,
'email' => $email,
'realname' => '',
];
self::$userToCreate = $user;
$reqs = AuthManager::singleton()->getAuthenticationRequests( AuthManager::ACTION_CREATE );
$reqs = AuthenticationRequest::loadRequestsFromSubmission( $reqs, $data );
$res = AuthManager::singleton()->beginAccountCreation( $user, $reqs, 'null:' );
self::$userToCreate = null;
switch ( $res->status ) {
case AuthenticationResponse::PASS:
break;
case AuthenticationResponse::FAIL:
// Unless things are misconfigured, this will handle errors such as username taken,
// invalid user name or too short password. The WebAPI is prechecking these to
// provide nicer error messages.
$reason = $res->message->inLanguage( 'en' )->useDatabase( false )->text();
throw new MWException( "Account creation failed: $reason" );
default:
// Just in case it was a Secondary that failed
$user->clearInstanceCache( 'name' );
if ( $user->getId() ) {
self::deleteUser( $user, 'force' );
}
throw new MWException(
'AuthManager does not support such simplified account creation'
);
}
// User now has an id, but we must clear the cache to see it. Without this the group
// addition below would not be saved in the database.
$user->clearInstanceCache( 'name' );
// group-translate-sandboxed group-translate-sandboxed-member
$user->addGroup( 'translate-sandboxed' );
return $user;
}
/**
* Deletes a sandboxed user without doing much validation.
*
* @param User $user
* @param string $force If set to 'force' will skip the little validation we have.
* @throws MWException
*/
public static function deleteUser( User $user, $force = '' ) {
$uid = $user->getId();
$username = $user->getName();
if ( $force !== 'force' && !self::isSandboxed( $user ) ) {
throw new MWException( 'Not a sandboxed user' );
}
// Delete from database
$dbw = wfGetDB( DB_MASTER );
$dbw->delete( 'user', [ 'user_id' => $uid ], __METHOD__ );
$dbw->delete( 'user_groups', [ 'ug_user' => $uid ], __METHOD__ );
$dbw->delete( 'user_properties', [ 'up_user' => $uid ], __METHOD__ );
if ( class_exists( ActorMigration::class ) ) {
$m = ActorMigration::newMigration();
// Assume no joins are needed for logging or recentchanges
$dbw->delete( 'logging', $m->getWhere( $dbw, 'log_user', $user )['conds'], __METHOD__ );
$dbw->delete( 'recentchanges', $m->getWhere( $dbw, 'rc_user', $user )['conds'], __METHOD__ );
} else {
$dbw->delete( 'logging', [ 'log_user' => $uid ], __METHOD__ );
$dbw->delete(
'recentchanges',
[ 'rc_user' => $uid, 'rc_user_text' => $username ],
__METHOD__
);
}
// If someone tries to access still object still, they will get anon user
// data.
$user->clearInstanceCache( 'defaults' );
// Nobody should access the user by id anymore, but in case they do, purge
// the cache so they wont get stale data
$user->invalidateCache();
// In case we create an user with same name as was deleted during the same
// request, we must also reset this cache or the User class will try to load
// stuff for the old id, which is no longer present since we just deleted
// the cache above. But it would have the side effect or overwriting all
// member variables with null data. This used to manifest as a bug where
// inserting a new user fails because the mName properpty is set to null,
// which is then converted as the ip of the current user, and trying to
// add that twice results in a name conflict. It was fun to debug.
User::resetIdByNameCache();
}
/**
* Get all sandboxed users.
* @return UserArray List of users.
*/
public static function getUsers() {
$dbw = TranslateUtils::getSafeReadDB();
if ( is_callable( [ User::class, 'getQueryInfo' ] ) ) {
$userQuery = User::getQueryInfo();
} else {
$userQuery = [
'tables' => [ 'user' ],
'fields' => User::selectFields(),
'joins' => [],
];
}
$tables = array_merge( $userQuery['tables'], [ 'user_groups' ] );
$fields = $userQuery['fields'];
$conds = [
'ug_group' => 'translate-sandboxed',
];
$joins = [
'user_groups' => [ 'JOIN', 'ug_user = user_id' ],
] + $userQuery['joins'];
$res = $dbw->select( $tables, $fields, $conds, __METHOD__, [], $joins );
return UserArray::newFromResult( $res );
}
/**
* Removes the user from the sandbox.
* @param User $user
* @throws MWException
*/
public static function promoteUser( User $user ) {
global $wgTranslateSandboxPromotedGroup;
if ( !self::isSandboxed( $user ) ) {
throw new MWException( 'Not a sandboxed user' );
}
$user->removeGroup( 'translate-sandboxed' );
if ( $wgTranslateSandboxPromotedGroup ) {
$user->addGroup( $wgTranslateSandboxPromotedGroup );
}
$user->setOption( 'translate-sandbox-reminders', '' );
$user->saveSettings();
}
/**
* Sends a reminder to the user.
* @param User $sender
* @param User $target
* @param string $type 'reminder' or 'promotion'
* @throws MWException
* @since 2013.12
*/
public static function sendEmail( User $sender, User $target, $type ) {
global $wgNoReplyAddress;
$targetLang = $target->getOption( 'language' );
switch ( $type ) {
case 'reminder':
if ( !self::isSandboxed( $target ) ) {
throw new MWException( 'Not a sandboxed user' );
}
$subjectMsg = 'tsb-reminder-title-generic';
$bodyMsg = 'tsb-reminder-content-generic';
$targetSpecialPage = 'TranslationStash';
break;
case 'promotion':
$subjectMsg = 'tsb-email-promoted-subject';
$bodyMsg = 'tsb-email-promoted-body';
$targetSpecialPage = 'Translate';
break;
case 'rejection':
$subjectMsg = 'tsb-email-rejected-subject';
$bodyMsg = 'tsb-email-rejected-body';
$targetSpecialPage = 'TwnMainPage';
break;
default:
throw new MWException( "'$type' is an invalid type of translate sandbox email" );
}
$subject = wfMessage( $subjectMsg )->inLanguage( $targetLang )->text();
$body = wfMessage(
$bodyMsg,
$target->getName(),
SpecialPage::getTitleFor( $targetSpecialPage )->getCanonicalURL(),
$sender->getName()
)->inLanguage( $targetLang )->text();
$params = [
'user' => $target->getId(),
'to' => MailAddress::newFromUser( $target ),
'from' => MailAddress::newFromUser( $sender ),
'replyto' => new MailAddress( $wgNoReplyAddress ),
'subj' => $subject,
'body' => $body,
'emailType' => $type,
];
JobQueueGroup::singleton()->push( TranslateSandboxEmailJob::newJob( $params ) );
}
/**
* Shortcut for checking if given user is in the sandbox.
* @param User $user
* @return bool
* @since 2013.06
*/
public static function isSandboxed( User $user ) {
if ( in_array( 'translate-sandboxed', $user->getGroups(), true ) ) {
return true;
}
return false;
}
/**
* Hook: UserGetRights
* @param User $user
* @param array &$rights
* @return true
*/
public static function enforcePermissions( User $user, array &$rights ) {
global $wgTranslateUseSandbox;
if ( !$wgTranslateUseSandbox ) {
return true;
}
if ( !self::isSandboxed( $user ) ) {
return true;
}
// right-translate-sandboxaction action-translate-sandboxaction
$rights = [
'editmyoptions',
'editmyprivateinfo',
'read',
'readapi',
'translate-sandboxaction',
'viewmyprivateinfo',
'writeapi',
];
// Do not let other hooks add more actions
return false;
}
/// Hook: UserGetRights
public static function allowAccountCreation( $user, &$rights ) {
if ( self::$userToCreate && $user->equals( self::$userToCreate ) ) {
$rights[] = 'createaccount';
}
}
/// Hook: onGetPreferences
public static function onGetPreferences( $user, &$preferences ) {
$preferences['translate-sandbox'] = $preferences['translate-sandbox-reminders'] =
[ 'type' => 'api' ];
return true;
}
/**
* Whitelisting for certain API modules. See also enforcePermissions.
* Hook: ApiCheckCanExecute
* @param ApiBase $module
* @param User $user
* @param string &$message
* @return bool
*/
public static function onApiCheckCanExecute( ApiBase $module, User $user, &$message ) {
$whitelist = [
// Obviously this is needed to get out of the sandbox
'ApiTranslationStash',
// Used by UniversalLanguageSelector for example
'ApiOptions'
];
if ( self::isSandboxed( $user ) ) {
$class = get_class( $module );
if ( $module->isWriteMode() && !in_array( $class, $whitelist, true ) ) {
$message = ApiMessage::create( 'apierror-writeapidenied' );
if ( $message->getApiCode() === 'apierror-writeapidenied' ) {
// Backwards compatibility for pre-1.29 MediaWiki
$message = 'writerequired';
}
return false;
}
}
return true;
}
}
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